/*****************************************************************************
  Copyright ?2002-2004 by Martin Cook. All rights are reserved. If you like
  this code then feel free to go ahead and use it. The only thing I ask is 
  that you don't remove or alter my copyright notice. Your use of this 
  software is entirely at your own risk. I make no claims about the 
  reliability or fitness of this code for any particular purpose. If you 
  make changes or additions to this code then please clearly mark your code 
  as yours. If you have questions or comments then please contact me at: 
  martin@codegator.com
  
  Have Fun! :o)
*****************************************************************************/


using System;
using System.Data;

namespace CG.Security.Data
{

	/// <summary>
	/// Data access operations for authorization and authentication.
	/// </summary>
	public interface ISecurityData
	{
		
		/// <summary>
		/// Authenticates the supplied credentials by checking them against
		/// the cg_security_user table in the database.
		/// </summary>
		/// <param name="userName">The user name.</param>
		/// <param name="userPwd">The user password (must be hashed).</param>
		/// <returns>True if the credentials authenticate, false otherwise.</returns>
		bool Authenticate(
			string userName,
			string userPwd
			);

		// ******************************************************************

		/// <summary>
		/// Returns all the effective rights for the specified user.
		/// </summary>
		/// <param name="userID">The identifier for the user.</param>
		/// <returns>A DataSet containing all the effective rights.</returns>
		System.Data.DataSet EffectiveRights(
			int userID
			);

	} // End ISecurityData

} // End namespace CG.Security.Data

